Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754949AbYC3WKQ (ORCPT ); Sun, 30 Mar 2008 18:10:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751106AbYC3WKD (ORCPT ); Sun, 30 Mar 2008 18:10:03 -0400 Received: from gherkin.frus.com ([192.158.254.49]:47541 "EHLO gherkin.frus.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750986AbYC3WKB (ORCPT ); Sun, 30 Mar 2008 18:10:01 -0400 Subject: Re: [alsa-devel] [regression] 2.6.25-rc4 snd-es18xx broken on Alpha In-Reply-To: <47DEEA09.9000108@keyaccess.nl> "from Rene Herman at Mar 17, 2008 11:00:41 pm" To: Rene Herman Date: Sun, 30 Mar 2008 17:09:56 -0500 (CDT) CC: Bob Tracy , Michael Cree , Takashi Iwai , ALSA devel , linux-kernel@vger.kernel.org, Ivan Kokshaysky , linux-alpha@vger.kernel.org, Krzysztof Helt X-Mailer: ELM [version 2.4ME+ PL82 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII Message-Id: <20080330220956.1E9C6DBA2@gherkin.frus.com> From: rct@frus.com (Bob Tracy) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1753 Lines: 37 Rene Herman wrote: > Okay, thought I'd stare at this thing a bit -- there's no specific 1888 > documentation available it seems but I did notice something in the 1878 > datasheet which might mean something. The docs says that bits 0-1 are don't > care for DMA but don't for IRQ, so could it possibly be as simple as the > attached? > > 1878 sheet doesn't document register 0x7f, it seems... > > Assuming it's not just this, this thing is going to require quite a bit of > trial and error and without the hardware this will be troublesome. I expect > this is not it, since the arch init code also doesn't care about bit 0 when > setting that same register for IRQ 5. > > If this is not it -- I'd try s/0x50/0x10/ in that line, even completely > commenting out the IRQ setting line (with the arch code built in) and just > generally frolic around 'till something blows up... > > (es18xx_trial_and_error) As distributed, no change: still not seeing any activity on IRQ 5. I'll play around with it some over the next day or so. Observed: the alsa "snd-sb8" driver works fine. Question: how does IRQ setup differ between the sb8 and the es18xx drivers? If I can find some time, I'll try to figure that out... -- ------------------------------------------------------------------------ Bob Tracy | "I was a beta tester for dirt. They never did rct@frus.com | get all the bugs out." - Steve McGrew on /. ------------------------------------------------------------------------ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/